UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000058988
Receipt number R000067460
Scientific Title The association between serum calcium control status and incidence of renal dysfunction in patients with chronic hypoparathyroidism: a retrospective cohort study using medical institution-based data
Date of disclosure of the study information 2025/09/05
Last modified on 2025/09/04 10:18:06

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Basic information

Public title

Database study on the association between serum calcium control status and incidence of renal dysfunction in patients with chronic hypoparathyroidism

Acronym

Database study on the association between serum calcium control status and incidence of renal dysfunction in patients with chronic hypoparathyroidism

Scientific Title

The association between serum calcium control status and incidence of renal dysfunction in patients with chronic hypoparathyroidism: a retrospective cohort study using medical institution-based data

Scientific Title:Acronym

The association between serum calcium control status and incidence of renal dysfunction in patients with chronic hypoparathyroidism: a retrospective cohort study using medical institution-based data

Region

Japan


Condition

Condition

Hypoparathyroidism

Classification by specialty

Endocrinology and Metabolism Nephrology Endocrine surgery
Pediatrics Oto-rhino-laryngology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the association between renal dysfunction and serum calcium control, conventional therapies (active Vitamin D3 and calcium supplements), and other factors in patients with chronic hypoparathyroidism in actual clinical settings using medical institution-based data.

Basic objectives2

Others

Basic objectives -Others

Description of serum calcium control status, incidence of renal dysfunction, etc., and exploratory analysis for factors associated with renal dysfunction risk

Trial characteristics_1

Others

Trial characteristics_2

Others

Developmental phase

Not applicable


Assessment

Primary outcomes

Incidence of renal dysfunction, based on status of serum calcium control

Key secondary outcomes

- Incidence of urinary stones (including nephrolithiasis and nephrocalcinosis), based on status of serum calcium control
- Changes in laboratory test values, based on status of serum calcium control


Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit


Not applicable

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Patients who meet all the following criteria will be included.
(1) Patients who satisfied any of the hypoparathyroidism criteria for the first time between April 1, 2010 and November 30, 2023
(2) Patients having medical records for no less than 180 days prior to (1)
(3) Patients who received an outpatient prescription for conventional therapy from (1) to between 180 days and 300 days after (1)
(4) Patients with at least one prescription of conventional therapy from (1) to the day before (3)
(5) Patients who had received medical care since (3)
(6) Patients who had serum calcium levels and serum albumin levels, obtained on the same day, from (3) to 90 days before (3)
(7) Patients who had eGFR values obtained from (3) to 90 days before (3)
(8) Patients who had at least one recorded eGFR value of 30mL/min/1.73m^2 or more from 90 days before to 90 days after (1)

Key exclusion criteria

Patients who meet any of the following criteria will be excluded.
(1) Patients who satisfied any one of the hypoparathyroidism criteria from 1 day to 180 days before inclusion criterion (1)
(2) Patients with diagnosis codes for pseudo-hypoparathyroidism from 1 day to 180 days before (3)
(3) Patients with at least one recorded eGFR value less than 15mL/min/1.73m^2 between inclusion criteria (1) to (3)
(4) Patients with a history of end-stage kidney disorders between inclusion criteria (1) to (3)

Target sample size

1000


Research contact person

Name of lead principal investigator

1st name Hiroyuki
Middle name
Last name Sugiyama

Organization

Teijin Pharma Limited

Division name

Medical Science Department

Zip code

100-8585

Address

2-1, Kasumigaseki 3-chome, Chiyoda-ku, Tokyo

TEL

03-3506-4140

Email

tpm-com@umin.ac.jp


Public contact

Name of contact person

1st name Mana
Middle name
Last name Kujirai

Organization

Teijin Pharma Limited

Division name

Medical Science Department

Zip code

100-8585

Address

2-1, Kasumigaseki 3-chome, Chiyoda-ku, Tokyo

TEL

03-3506-4140

Homepage URL


Email

tpm-com@umin.ac.jp


Sponsor or person

Institute

Teijin Pharma Limited

Institute

Department

Personal name



Funding Source

Organization

None

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Teijin Pharma Limited

Address

2-1, Kasumigaseki 3-chome, Chiyoda-ku, Tokyo

Tel

03-3506-4140

Email

tpm-com@umin.ac.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2025 Year 09 Month 05 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Preinitiation

Date of protocol fixation

2025 Year 09 Month 02 Day

Date of IRB

2025 Year 09 Month 02 Day

Anticipated trial start date

2025 Year 09 Month 02 Day

Last follow-up date

2025 Year 10 Month 31 Day

Date of closure to data entry

2025 Year 10 Month 31 Day

Date trial data considered complete

2025 Year 10 Month 31 Day

Date analysis concluded

2025 Year 10 Month 31 Day


Other

Other related information

This is a database study using an existing database, the MDV database.


Management information

Registered date

2025 Year 09 Month 04 Day

Last modified on

2025 Year 09 Month 04 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000067460